Effects of Interfacial Tension Reduction and Wettability Alteration on Oil Recovery by Surfactant Imbibition

被引：13

作者：

Qi, Ziyuan ^{[1
]}

Wang, Yefei ^{[1
]}

Xu, Xiaoli ^{[1
]}

机构：

[1] China Univ Petr East China, Qingdao, Shandong, Peoples R China

来源：

EXPLORATION AND PROCESSING OF MINERAL RESOURCES | 2014年 / 868卷

关键词：

Surfactant imbibition; Interfacial tension; Wettability alteration; Oil recovery; Contact angle; ADSORPTION; MECHANISM;

D O I：

10.4028/www.scientific.net/AMR.868.664

中图分类号：

TE [石油、天然气工业];

学科分类号：

0820 ;

摘要：

Surfactant imbibition experiments were carried out with four surfactants and effects of interfacial tension and surface wettability on oil recovery were studied. A convenient imbibition process with quartz sands was used, and the experimental results suggest that anionic and non-ionic surfactants have higher oil recovery than cationic surfactant, and the sand surface wettability plays an important role in influencing oil recovery during spontaneous imbibition. Altering the wettability of oil sand surface from oil-wet to water-wet can enhance the oil recovery of imbibition process. The maximum ultimate imbibition recovery appeared in the area where both contact angle and interfacial tension were low.

引用

页码：664 / 668

页数：5

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